four years. >> reporter: on the other side, obama advisers are spinning, reminding voters that the president's day job has interfered with practice sessions. >> the president has had to cut back some of his prep because of his job as president. >> reporter: both candidates know that every question counts -- question counts and fumbles could be costly. meaning what happens tonight could decide what happens on november 6th. >> reporter: after tonight's debate, voters will get a chance to see the candidates square off two more times before election day. live in denver, i'm sandra endo, back you to you. >>> and you can watch the debate right here on ktvu channel 2. our coverage starts at 6:00 p.m. we'll be streaming the debate live on ktvu.com. ktvu mobile and -- ktvu mobile and we'll have anally sit tomorrow after the debate to figure out how everything went. >>> 8:24. sal is back. you are watching our roads. you are watching highway 24. >> that's right. 24 has been moderate. it has not been all that bad. 680 is backed up to pleasant hill and then slows again in san ramon. let's move